Abstract
Mayday Plus is a public-private multiple organisation created to develop and test a Mayday response system that integrates existing emergency response agencies with the rapidly growing commercial market of in-vehicle Mayday products and services. In addition to demonstrating the technical feasibility of such a system, Mayday Plus is also identifying and beginning to resolve jurisdictional issues involved in emergency response. The results of a six-month operational test for real and simulated emergencies in a rural area of Minnesota, USA are described.